00271nam a2200109Ia 4500008004100000020000600041082001400047100000900061245004400070260002300114300002400137250814s9999 xx 000 0 und d a0 a304.6 UNF aUNDP 0aUnfpa Strategy on adolescents and youth aNew YorkbUNFPAc_ a"vi, 39 p ; 22 cm."